obama, since he got involved. i cannot remember you ever doing that many with a president. why so many with this one? >> quite honestly, because he said yes. there were no shortage of press for george w. bush. i do not think we ever interviewed with him. he may have been interviewed once. but there is always -- the rules of the game, to request an interview with the president, whoever it may be. the obama people and obama himself like to get on the air. >> it has got a bigger audience than any other -- >> pretty much. you certainly get access to and engaged part of the population. >> do you ever worry about being the used? >> of course. you always worry about being used, but the presumption always is that at the same time you are using them. we're not going to be patsies for any administration, and i do not think we ever have been. >> i want to run video of don hewitt. how many years to do know him? >> i knew him from the very beginning of my life at cbs, 1964. he was the executive producer of cbs evening news, the cronkite news, when i joined. shortly after he was fired, a